Bitmain Antminer S11 six-bin SHA-256 official reference
Official Antminer S11 reference covering all six 18.5–21 TH/s OEM bins, exact physical facts, and the S11/D5-specific 10–11 V APW8 boundary.
Quick answer
The Bitmain Antminer S11 six-bin SHA-256 official reference is a Bitcoin miner rated about 20.5 TH/s at roughly 1,435 W (about 70 J/TH).
Full Specifications
| Model | Bitmain Antminer S11 six-bin SHA-256 official reference |
|---|---|
| Model Number | Antminer S11 |
| Manufacturer | Bitmain |
| Algorithm | SHA-256 |
| Hashrate | 20.5 TH/s |
| Power Consumption | 1,435 W |
| Calculated nominal efficiency | 70 J/TH |
| Noise Level | 76 dB |
| Chip Count | 252 |
| Cooling | Air |
| Voltage Range | Attached APW8; S11/D5 revision output 10-11 V; facility mains unresolved |
| Operating Temperature | 0 C to 40 C |
| Dimensions | 297 x 254 x 177 mm |
| Weight | 8.1 kg net |
| Status | OEM EOS reference |
Evidence-controlled Antminer S11 reference: Bitmain publishes six paired SHA-256 performance bins. Hashrate is stated in TH/s and efficiency in J/TH.
| Hashrate | Power consumption | Efficiency | Frequency |
|---|---|---|---|
| 18.5 TH/s ±5% | 1,295 W ±10% | 70 J/TH ±10% | Auto |
| 19 TH/s ±5% | 1,330 W ±10% | 70 J/TH ±10% | Auto |
| 19.5 TH/s ±5% | 1,365 W ±10% | 70 J/TH ±10% | Auto |
| 20 TH/s ±5% | 1,400 W ±10% | 70 J/TH ±10% | Auto |
| 20.5 TH/s ±5% | 1,435 W ±10% | 70 J/TH ±10% | Auto |
| 21 TH/s ±5% | 1,470 W ±10% | 70 J/TH ±10% | Auto |
The catalog’s former numerical triple is not a Bitmain-published S11 lane and has been retired.
Hardware, cooling, and environment
| Hashboards / chips | 3 / 252 total |
|---|---|
| Miner-side PCIe connectors | 10 |
| Fans | Two 12038 fans; 5,200 RPM; 12 V / 2.4 A; 209.8 CFM |
| Operating temperature | 0–40°C |
| Humidity | 5–95% RH, non-condensing |
| Published chip-temperature ceiling | 95°C |
| Sound | 76 dB |
| Miner dimensions / net weight | 297 × 254 × 177 mm / 8.1 kg |
| Packaged dimensions / gross weight | 486 × 388 × 265 mm / 9.9 kg |
Attached APW8 boundary
The S11 has an attached, all-in-one APW8 power supply. Bitmain identifies the S11/D5 APW8 by its 10–11 V output. APW8 revisions for DR5 and S15/T15 publish different output ranges; the APW8 family name alone does not establish suitability. Confirm the exact PSU label and revision before connection.
These model sources do not establish exact facility AC voltage, current, frequency, cord, or connector. A qualified person must verify the exact PSU nameplate, facility supply, circuit protection, conductors, connector, grounding, and disconnect before energizing the miner.
Firmware, diagnostics, and end of service
- Select S11 and the exact revision in Bitmain’s firmware selector; do not cross-flash another model.
- Open Bitmain’s S11 support page.
- Identify the exact APW8 revision.
- Use Bitmain’s APW8 removal procedure.
- Follow Bitmain’s exact-model test-jig guidance.
- Use Bitmain’s general diagnostic workflow.
- Organize symptoms and logs; request repair triage; open the S11 service router.
End of service: Bitmain’s current consolidated roster dates the S11 group to May 9, 2020, while an older notification prints May 10, 2020. The durable conclusion is that S11 reached end of service in May 2020; this page does not imply continuing manufacturer repair coverage.
No architecture, economics, residential-use, heat-use, tuning, compatibility, or parts-interchangeability claim is asserted. Primary source: Bitmain S11 Specifications. Reviewed August 28, 2026.